cbpfc is a classic BPF (cBPF) to extended BPF (eBPF) compiler. It can compile cBPF to eBPF, or to C, and the generated code should be accepted by the kernel verifier.

cbpfc/clang is a simple clang wrapper for compiling C to eBPF.

• clang
  • Path can be set via environment variable $CLANG

• go test -short

• Requires:

  • root or CAP_SYS_ADMIN to load XDP programs
  • Recent (4.14+) Linux kernel

• sudo go test